3040905645 has 24 divisors (see below), whose sum is σ = 5466123936. Its totient is φ = 1621815696.

The previous prime is 3040905557. The next prime is 3040905649. The reversal of 3040905645 is 5465090403.

It is a happy number.

3040905645 is a `hidden beast` number, since 3 + 0 + 4 + 0 + 9 + 0 + 5 + 645 = 666.

It is not a de Polignac number, because 3040905645 - 2¹⁰ = 3040904621 is a prime.

It is a super-3 number, since 3×3040905645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040905649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1250187 + ... + 1252616.

It is an arithmetic number, because the mean of its divisors is an integer number (227755164).

Almost surely, 2^3040905645 is an apocalyptic number.

It is an amenable number.

3040905645 is a deficient number, since it is larger than the sum of its proper divisors (2425218291).

3040905645 is an equidigital number, since it uses as much as digits as its factorization.

3040905645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502823 (or 2502811 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3040905645 is about 55144.4071960158. The cubic root of 3040905645 is about 1448.7751280989.

The spelling of 3040905645 in words is "three billion, forty million, nine hundred five thousand, six hundred forty-five".